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Full Discussion: Lsyncd Configuration
Top Forums UNIX for Beginners Questions & Answers Lsyncd Configuration Post 303038617 by Neo on Sunday 8th of September 2019 12:44:29 AM
Old 09-08-2019
Quote:
Originally Posted by arun_adm

Thanks Neo for your reply.

Could you please share the rsync and cron setup you used in your usecase? I can give a try with that.

Here is the rsync command which i used to run manually to sync the data.

Code:
nohup /usr/bin/time --format='Elapsed Time = %e seconds' rsync -avh --exclude="lost+found" --exclude=".snapshot" --info=progress2 --stats /src/data/01/* /tgt/data/01/ > /root/rs-logs/data_01-`date +%Y%m%d-%H%M`.log &

I have my rsync command(s) in a crontab script(s), like so, for example:

Code:
30 23 * * * /usr/bin/nice -n 19 /usr/local/bin/sync_dumps > /dev/null 2>&1

... where my script sync_dumps contains an rsync command set up for my particular case.

If the files have not changed, rsync will log and exit, of course.

This is a classic "polling" versus "pushing" problem, and I prefer to keep this simple with rsync and cron. The frequency of my backups is based on my risk model and my risk model for this instance says that backing up to a remote server once a day is fine. Your risk model may be different and requires a different backup frequency.

FWIW, I never (rarely, is a better word, I guess) use additional processes to perform tasks which I can perform in a more simpler way, so I use rsync and not lsyncd, but that's just me. I like simple. It's easily to maintain, update and troubleshoot if there are problems (or port to a new server when a datacenter change is required).
 

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AuMakeElementImportBucket(3)				     Library Functions Manual				      AuMakeElementImportBucket(3)

Name
       AuMakeElementImportBucket - initialize an ImportBucket element

Synopsis
       #include <audio/audiolib.h>

       AuMakeElementImportBucket(element, sample_rate, bucket, num_samples, offset, num_actions, actions)
	   AuElement *element; /* RETURN */
	   unsigned short sample_rate;
	   AuBucketID bucket;
	   AuUint32 num_samples;
	   AuInt32 offset;
	   int num_actions;
	   AuElementAction *actions;

Arguments
       element	 Returns the initialized element.

       sample_rate
		 Specifies the sample rate of the audio data.

       bucket	 Specifies the ID of the bucket to read the audio data from.

       num_samples
		 Specifies the number of samples to read from the bucket.  Ignored for "trivial" flows.

       offset	 Specifies the offset into the bucket to begin reading at.

       num_actions
		 Specifies the number of actions in actions.

       actions	 Specifies  the list of actions to associate with this element.  Entries in this list can be initialized with AuMakeChangeStateAc-
		 tion, AuMakeSendNotifyAction, and AuMakeNoopAction.  May be NULL.

Description
       AuMakeElementImportBucket sets the type member of element to AuElementTypeImportBucket and initializes the importbucket member  of  element
       with the remaining arguments.

       AuMakeElementImportBucket is implemented as a macro.

See Also
       AuMakeElementAddConstant,  AuMakeElementBundle, AuMakeElementExportBucket, AuMakeElementExportClient, AuMakeElementExportDevice, AuMakeEle-
       mentExportMonitor, AuMakeElementImportClient, AuMakeElementImportDevice, AuMakeElementImportWaveForm, AuMakeElementMultiplyConstant,  AuMa-
       keElementSum.

       audiolib - Network Audio System C Language Interface

audiolib - element initialization				       1.9.3					      AuMakeElementImportBucket(3)
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